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Finding the Fourth Proportional to 11,774.52, 16,249.04 and 6,469.28

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Solution

The fourth proportional to 11,774.52, 16,249.04 and 6,469.28 is: 8,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.52 : 16,249.04 = 6,469.28 : x
  2. Step 2: Convert to fraction form
    11,774.52/16,249.04 = 6,469.28/x
  3. Step 3: Cross multiply
    11,774.52x = 16,249.04 × 6,469.28
  4. Step 4: Simplify right side
    11,774.52x = 105,119,589.49
  5. Step 5: Solve for x
    x = 105,119,589.49/11,774.52
  6. Step 6: Final answer
    x = 8,927.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.